Add support for system health

Author: fabaff

homeassistant_cli/plugins/system.py

@@ -4,6 +4,7 @@
 import click
 from homeassistant_cli.cli import pass_context
 import homeassistant_cli.remote as api
+from homeassistant_cli.config import Configuration
 
 _LOGGING = logging.getLogger(__name__)
 
@@ -19,3 +20,12 @@ def cli(ctx):
 def log(ctx):
     """Get errors from Home Assistant."""
     click.echo(api.get_raw_error_log(ctx))
+
+
+@cli.command()
+@pass_context
+def health(ctx: Configuration):
+    """Get system health from Home Assistant."""
+    frame = {'type': 'system_health/info'}
+
+    click.echo(api.wsapi(ctx, frame, False))